The Dedicated Team of Warren Thoma & Associates

Warren Thoma

After a successful career as a senior product manager with a major manufacturer in the industry Warren Thoma founded the firm in April of 1991. As well as personally managing the Michigan territory, he oversees all operations and territories of Warren Thoma & Associates.

Mailing Address 111 Erick St., Unit 105
Crystal Lake, IL 60014
Telephone Number 815-477-1814
847-922-5824 (Mobile)
815-477-2009 (Fax)
Coverage IL, MI, WI, IN, OH, KY, MN, IA, KS, MO, NE, ND, TN, SD, Western PA, WV, VA, NC, SC, FL, GA, AR, LA, MS, AL

Duff Brown

Duff Brown manages special projects, sales development, and database administration for the firm. He has over 30 years experience in sales and sales management in the industrial valve industry. Duff has dealt with manufacturing, power, and chemical sectorswith responsibilities from local regions to national and international contracts and was Midwest Manager for Storm Manufacturing Group.

Mailing Address 8608 Zenith Ct.
Cincinnati, OH 45231
Telephone Number 847-208-4638
513-522-0560 (Fax)
Coverage All Industrial Accounts

Robert Kowal

Robert Kowal, our newest associate, has over 10 years experience as a business broker, listing & selling businesses throughout Florida and spent 20 years in NJ as the Regional Shopping Center and Training manager for the E.J. DeBartolo Corporation. He also owned and operated a retail jewelry business with 6 stores in various regional malls in NY and NJ and is experienced as a mortgage buyer and broker. Bob will be managing the Florida territory for the firm.

Mailing Address 13224 Spring Hill Dr.
Spring Hill, FL 34609
Telephone Number 352-476-7527
352-683-9227 (Fax)
Coverage Florida

Stewart Locke

Stewart has over 13 years of industry sales and management experience in both distribution and contracting. He managed the Wisconsin, Michigan UP, and the Twin Cities territories for what is now John Deere Landscapes. He was then transferred to St. George, Utah where he was the Area Manager. Stewart left John Deere Landscapes to pursue a successful career in landscape contracting before joining our firm.

Mailing Address 12204 Freemont Lane
Raleigh, NC 27613
Telephone Number 919-376-5207 (Mobile)
919-803-8065 (Fax)
Coverage AL, GA, KY, NC, SC, TN, VA and WV

Jon Miller

Jon Miller has worked in the green industry for over 19 years. He spent 5 years in outside sales with TPEC, has outside John Deere Equipment sales experience while with Van Wall Equipment and was Irrigation Service Manager and Snow Manager for a major Kansas City contractor. Jon has a Bachelors Degree from Baker University and is originally from Lincoln, NE.

Mailing Address 5126 Longview Rd.
Shawnee, KS 66218
Telephone Number 913-850-2771 (Mobile)
913-904-9633 (Fax)
Coverage AR, IA, KS, LA, MN, western MO, MS, ND, NE and SD

Lara Thoma

Lara Thoma is our Payroll Specialist. She is responsible for properly allocating all commissions to the proper salesperson.

Mailing Address 111 Erick St.,Unit 105
Crystal Lake, IL 60014
Telephone Number 815-477-1814
815-477-2009 (Fax)
  Payroll Specialist

Penny Thoma

Penny's experience with a major irrigation manufacturer and experience both with underground (commercial and residential) and hose-end products is invaluable for our customers. She handles inside sales, customer support, troubleshooting any and all issues that may arise for our customers and sales staff alike.

Mailing Address 111 Erick St., Unit 105
Crystal Lake, IL 60014
Telephone Number 815-477-1814
815-477-2009(Fax)
  Customer Support

Sam Thoma

Sam's enthusiastic, professional approach has resulted in great sales increases throughout his territories and his knowledge and experience continues to grow in a constantly changing market.

Mailing Address 111 Erick St. Unit 105
Crystal Lake, IL 60014
Telephone Number 815-477-1814
847-224-8843 (Mobile)
815-477-2009 (Fax)
Coverage IL, IN, eastern MO, OH, western PA and WI